Hey, it’s Nutrients and Oxygen
Answer:
Endoskeleton
Explanation:
An internal skeleton is called an endoskeleton, which is what vertebrates have. A sponge endoskeleton consists of short, sharp rods called spicules
Spicules are made of silica, calcium carbonate, etc.
Answer:
C. to convert carbon dioxide into sugars (glucose)
Explanation:
The overall purpose of the light -independent reactions is to convert carbon dioxide into sugars (glucose).
If those are the only answers i would say mutualism